Finding the Fourth Proportional to 110,863.63, 166,321.93 and 35,983.99
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Solution
The fourth proportional to 110,863.63, 166,321.93 and 35,983.99 is: 53,984.58
Step by Step Solution
- Step 1: Write the proportion equation
110,863.63 : 166,321.93 = 35,983.99 : x - Step 2: Convert to fraction form
110,863.63/166,321.93 = 35,983.99/x - Step 3: Cross multiply
110,863.63x = 166,321.93 × 35,983.99 - Step 4: Simplify right side
110,863.63x = 5,984,927,061.96 - Step 5: Solve for x
x = 5,984,927,061.96/110,863.63 - Step 6: Final answer
x = 53,984.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.